WO2022156521A1 - 双燃料联合循环动力装置 - Google Patents

双燃料联合循环动力装置 Download PDF

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Publication number
WO2022156521A1
WO2022156521A1 PCT/CN2022/000005 CN2022000005W WO2022156521A1 WO 2022156521 A1 WO2022156521 A1 WO 2022156521A1 CN 2022000005 W CN2022000005 W CN 2022000005W WO 2022156521 A1 WO2022156521 A1 WO 2022156521A1
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Prior art keywords
boiler
heating furnace
air heating
communicated
compressor
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PCT/CN2022/000005
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English (en)
French (fr)
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李华玉
李鸿瑞
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李华玉
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Publication of WO2022156521A1 publication Critical patent/WO2022156521A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00—Heating of air supplied for combustion

Definitions

  • the invention belongs to the technical field of thermodynamics and thermodynamics.
  • Cold demand, heat demand and power demand are common in human life and production; among them, the chemical energy of high-quality fuel is converted into thermal energy through combustion, and then the thermal energy is efficiently converted into mechanical energy through a gas-steam power plant.
  • the temperature of the gas formed by the combustion of the fuel directly determines the thermal power conversion efficiency; from the temperature of the gas formed by combustion (such as the combustion temperature at constant pressure)
  • High-grade fuels correspond to high-grade heat sources, which can convert more mechanical energy; while low-grade fuels with low constant-pressure combustion temperatures are difficult to form high-temperature combustion products, corresponding to low-grade heat sources—relative to the former, less mechanical energy can be converted.
  • combustion-supporting medium such as air
  • combustion temperature of the fuel at constant pressure there is a large irreversible loss of temperature difference in the combustion process, which leads to mass loss in fuel utilization - however, this brings opportunities for low-grade fuels to participate in providing driving heat loads .
  • the present invention provides the rational use of low-grade fuel and high-grade fuel to achieve learning from each other's strengths and complement each other's advantages, and greatly improve the thermal power conversion efficiency of low-grade fuel.
  • a dual-fuel combined cycle power plant that reduces greenhouse gas emissions and effectively reduces fuel costs.
  • the main purpose of the present invention is to provide a dual-fuel combined cycle power plant, and the specific content of the invention is described as follows:
  • the dual-fuel combined cycle power plant is mainly composed of a steam turbine, a booster pump, a high temperature heat exchanger, a condenser, a compressor, an expander, an air heating furnace, a boiler and a heat source regenerator; there are air passages and heat sources outside.
  • the regenerator After the regenerator is connected, it is divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace also has an initial gas channel with the air heating furnace.
  • the boiler is connected, and there is a high-grade fuel channel connected to the boiler outside, and the boiler also has a gas channel that is connected to the outside through the heat source regenerator; the compressor has a circulating working fluid channel that communicates with the expander through the boiler, and the expander also has a circulating working fluid channel.
  • the high-temperature heat exchanger is connected to the compressor; the condenser has a condensate pipeline that is connected to the high-temperature heat exchanger through a booster pump, and then the high-temperature heat exchanger has a steam channel that communicates with the steam turbine, and the steam turbine also has a low-pressure steam channel that communicates with the condenser.
  • the condenser and the cooling medium channel are communicated with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external There is an air channel connected with the heat source regenerator and then divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace is also connected.
  • an initial gas channel that communicates with the boiler
  • an external high-grade fuel channel communicates with the boiler
  • the boiler also has a gas channel that communicates with the outside through the heat source regenerator
  • the compressor has a circulating working medium channel through the high-temperature regenerator and the boiler and the expander.
  • the expander and the circulating working medium channel are connected with the compressor through the high temperature regenerator and the high temperature heat exchanger;
  • the condenser has the condensate pipeline connected with the high temperature heat exchanger through the booster pump, and then the high temperature heat exchanger has steam.
  • the passage communicates with the steam turbine, and the steam turbine and the low-pressure steam passage communicate with the condenser; the condenser and the cooling medium passage communicate with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external There is an air channel connected with the heat source regenerator and then divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace is also connected.
  • an initial gas channel that communicates with the boiler
  • an external high-grade fuel channel communicates with the boiler
  • the boiler also has a gas channel that communicates with the outside through the heat source regenerator;
  • the compressor has a circulating working medium channel through the high-temperature regenerator and the boiler and the expander.
  • the expander After the connection, the expander has a circulating working medium channel that communicates with itself through a high-temperature regenerator, and the expander also has a circulating working medium channel that communicates with the compressor through a high-temperature heat exchanger; the condenser has a condensate pipeline through a booster pump to communicate with the high-temperature After the heat exchanger is connected, the high-temperature heat exchanger has a steam passage that communicates with the steam turbine, and the steam turbine also has a low-pressure steam passage that communicates with the condenser; the condenser and a cooling medium passage communicate with the outside, and the expander is connected to the compressor and transmits power, forming a dual Fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external There is an air channel connected with the heat source regenerator and then divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace is also connected.
  • the compressor has a circulating working fluid channel that communicates with the expander through the boiler, and the expander also communicates with the outside.
  • a circulating working medium channel which is connected to the compressor through a high temperature regenerator and a high temperature heat exchanger, and then the compressor has a circulating working medium channel that communicates with itself through the high temperature regenerator; the condenser has a condensate pipeline connected to the high temperature through a booster pump.
  • the high-temperature heat exchanger has a steam passage that communicates with the steam turbine, and the steam turbine also has a low-pressure steam passage that communicates with the condenser; the condenser and a cooling medium passage communicate with the outside, and the expander is connected to the compressor and transmits power, forming a dual Fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external
  • the compressor has a circulating working fluid channel that communicates with the expander through the boiler.
  • the expander also has a circulating working medium channel that communicates with the compressor through a high temperature heat exchanger, and then the compressor has a circulating working medium channel that communicates with itself through the high temperature regenerator; condensation
  • the condenser has a condensate pipeline that is connected to the high temperature heat exchanger through a booster pump, and then the high temperature heat exchanger has a steam channel that communicates with the steam turbine.
  • the steam turbine also has a low-pressure steam channel that communicates with the condenser; the condenser also has a cooling medium channel that communicates with the outside.
  • the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • the dual-fuel combined cycle power plant is mainly composed of a steam turbine, a booster pump, a high temperature heat exchanger, a condenser, a compressor, an expander, an air heating furnace, a boiler and a heat source regenerator; there are air passages and heat sources outside.
  • the regenerator After the regenerator is connected, it is divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace also has an initial gas channel with the air heating furnace.
  • the boiler is connected to the outside, and there is a high-grade fuel channel connected to the boiler.
  • the boiler also has a gas channel that is connected to the outside through the heat source regenerator; the compressor has a circulating working fluid channel that is connected to the expander through the air heating furnace and the boiler.
  • the circulating working medium channel is connected with the compressor through the high temperature heat exchanger; the condenser has a condensate pipeline connected with the high temperature heat exchanger through the booster pump, and then the high temperature heat exchanger has a steam channel connected with the steam turbine, and the steam turbine also has a low pressure steam channel. It is communicated with the condenser; the condenser and the cooling medium channel are communicated with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external There is an air channel connected with the heat source regenerator and then divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace is also connected.
  • an initial gas channel that communicates with the boiler
  • an external high-grade fuel channel communicates with the boiler
  • the boiler also has a gas channel that communicates with the outside through the heat source regenerator
  • the compressor has a circulating working medium channel through the high-temperature regenerator, air heating furnace and The boiler is communicated with the expander, and the expander also has a circulating working medium channel that communicates with the compressor through a high-temperature regenerator and a warm heat exchanger
  • the condenser has a condensate pipeline that communicates with the high-temperature heat exchanger through a booster pump and then exchanges high-temperature heat.
  • the compressor has a steam passage that communicates with the steam turbine, and the steam turbine also has a low-pressure steam passage that communicates with the condenser; the condenser also has a cooling medium passage that communicates with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external There is an air channel connected with the heat source regenerator and then divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace is also connected. There is an initial gas channel that communicates with the boiler, and an external high-grade fuel channel that communicates with the boiler.
  • the boiler also has a gas channel that communicates with the outside through the heat source regenerator;
  • the compressor has a circulating working medium channel that passes through the air heating furnace, high temperature regenerator and The boiler is communicated with the expander, and the expander also has a circulating working medium channel that communicates with the compressor through a high-temperature regenerator and a warm heat exchanger;
  • the condenser has a condensate pipeline that communicates with the high-temperature heat exchanger through a booster pump and then exchanges high-temperature heat.
  • the compressor has a steam passage that communicates with the steam turbine, and the steam turbine also has a low-pressure steam passage that communicates with the condenser; the condenser also has a cooling medium passage that communicates with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external There is an air channel connected with the heat source regenerator and then divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace is also connected.
  • an initial gas channel that communicates with the boiler an external high-grade fuel channel communicates with the boiler, and the boiler also has a gas channel that communicates with the outside through the heat source regenerator;
  • the compressor has a circulating working medium channel through the high-temperature regenerator, air heating furnace and
  • the expander has a circulating working fluid channel that communicates with itself through the high-temperature regenerator, and the expander also has a circulating working fluid channel that communicates with the compressor through a high-temperature heat exchanger;
  • the high-temperature heat exchanger has a steam passage that communicates with the steam turbine, and the steam turbine also has a low-pressure steam passage that communicates with the condenser;
  • the condenser also has a cooling medium passage that communicates with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external There is an air channel connected with the heat source regenerator and then divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace is also connected.
  • the compressor has a circulating working medium channel that passes through the air heating furnace, high temperature regenerator and After the boiler is connected to the expander, the expander has a circulating working fluid channel that communicates with itself through the high-temperature regenerator, and the expander also has a circulating working fluid channel that communicates with the compressor through a high-temperature heat exchanger; After the pressure pump is connected to the high-temperature heat exchanger, the high-temperature heat exchanger has a steam passage that communicates with the steam turbine, and the steam turbine also has a low-pressure steam passage that communicates with the condenser; the condenser also has a cooling medium passage that communicates with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external There is an air channel connected with the heat source regenerator and then divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace is also connected.
  • an initial gas channel that communicates with the boiler
  • an external high-grade fuel channel communicates with the boiler
  • the boiler also has a gas channel that communicates with the outside through the heat source regenerator
  • the compressor has a circulating working medium channel that communicates with the expander through the air heating furnace and the boiler.
  • the expander also has a circulating working medium channel that is connected to the compressor through a high-temperature regenerator and a high-temperature heat exchanger.
  • the compressor has a circulating working medium channel that communicates with itself through the high-temperature regenerator;
  • the high-temperature heat exchanger has a steam passage that communicates with the steam turbine, and the steam turbine also has a low-pressure steam passage that communicates with the condenser;
  • the condenser also has a cooling medium passage that communicates with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler, heat source regenerator and high temperature regenerator; external There is an air channel connected with the heat source regenerator and then divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace is also connected.
  • an initial gas channel that communicates with the boiler an external high-grade fuel channel communicates with the boiler, and the boiler also has a gas channel that communicates with the outside through the heat source regenerator;
  • the compressor has a circulating working medium channel that communicates with the expander through the air heating furnace and the boiler.
  • the expander has a circulating working medium channel that communicates with itself through the high temperature regenerator, the expander also has a circulating working medium channel that communicates with the compressor through a high temperature heat exchanger, and then the compressor has a circulating working medium channel through the high temperature regenerator.
  • the condenser is connected with the high-temperature heat exchanger through the booster pump, and then the high-temperature heat exchanger has a steam passage that communicates with the steam turbine, and the steam turbine also has a low-pressure steam passage that communicates with the condenser; the condenser also has a cooling medium.
  • the passage communicates with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • a dual-fuel combined cycle power plant in any of the dual-fuel combined cycle power plants described in items 1-12, the high heat exchanger has a steam passage and the steam turbine is adjusted to communicate with the steam turbine so that the high heat exchanger has a steam passage through the The air heating furnace is communicated with the steam turbine to form a dual-fuel combined cycle power plant.
  • a dual-fuel combined cycle power plant in any of the dual-fuel combined cycle power plants described in items 1-12, the high heat exchanger has a steam passage and the steam turbine is adjusted to communicate with the steam turbine.
  • the high heat exchanger has a steam passage and After the steam turbine is connected, the steam turbine has a steam passage connected with itself through the air heating furnace to form a dual-fuel combined cycle power plant.
  • the dual-fuel combined cycle power plant is any one of the dual-fuel combined cycle power plants described in items 1-14, adding a second booster pump and a low-temperature regenerator, and connecting the condenser with a condensate pipe
  • the connection between the pipeline and the booster pump is adjusted so that the condenser has a condensate pipeline that is connected to the low-temperature regenerator through the second booster pump. It communicates with the booster pump to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant which is in any of the dual-fuel combined cycle power plants described in items 1-14, adding an expansion speed-up steam turbine and replacing the steam turbine, adding a diffuser pipe and replacing the booster pump, A dual-fuel combined cycle power plant is formed.
  • Dual-fuel combined cycle power plant in any of the dual-fuel combined cycle power plants described in items 1-16, adding an expansion speed-up machine and replacing the expander, adding a dual-energy compressor and replacing the compressor , forming a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant which is in any of the dual-fuel combined cycle power plants described in items 1-17, after connecting the external and air passages with the heat source regenerator, it is divided into two paths - the first One route is communicated with the air heating furnace and the second route is communicated with the boiler through the air heating furnace, and the external air passage is adjusted to communicate with the air heating furnace through the heat source regenerator to form a dual-fuel combined cycle power plant.
  • Dual-fuel combined cycle power plant mainly composed of steam turbine, booster pump, high temperature heat exchanger, condenser, compressor, expander, air heating furnace, boiler and heat source regenerator; external air passage and heat source After the regenerator is connected, it is divided into two paths - the first path is connected with the air heating furnace and the second path is connected with the boiler through the air heating furnace; the external low-grade fuel is connected with the air heating furnace, and the air heating furnace also has an initial gas channel with the air heating furnace.
  • the boiler is connected with the external high-grade fuel channel, and the boiler and the gas channel are connected with the outside through the heat source regenerator; the external working medium channel is connected with the compressor, and the compressor and the working medium channel pass through the boiler and the expander.
  • the expander and the working medium channel are connected with the outside through the high temperature heat exchanger; the condenser has a condensate pipeline connected with the high temperature heat exchanger through the booster pump, and then the high temperature heat exchanger has a steam channel connected with the steam turbine, and the steam turbine also A low-pressure steam passage communicates with the condenser; the condenser and a cooling medium passage communicate with the outside, and the expander is connected to the compressor and transmits power to form a dual-fuel combined cycle power plant.
  • Figure 1/19 is a first principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • Figure 2/19 is a second principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • Figure 3/19 is a third principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • Figure 4/19 is a fourth principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • Fig. 5/19 is the fifth principle thermodynamic system diagram of the dual-fuel combined cycle power plant provided according to the present invention.
  • Fig. 6/19 is the sixth principle thermodynamic system diagram of the dual-fuel combined cycle power plant provided according to the present invention.
  • Fig. 7/19 is the seventh principle thermodynamic system diagram of the dual-fuel combined cycle power plant provided according to the present invention.
  • Fig. 8/19 is an eighth principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • Fig. 9/19 is the ninth principle thermodynamic system diagram of the dual-fuel combined cycle power plant provided according to the present invention.
  • 10/19 is a tenth principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • Fig. 11/19 is an eleventh principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • Fig. 12/19 is a twelfth principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • Fig. 13/19 is a thirteenth principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • 15/19 are diagrams of a fifteenth principle thermodynamic system of a dual-fuel combined cycle power plant provided according to the present invention.
  • 16/19 are diagrams of the sixteenth principle thermodynamic system of the dual-fuel combined cycle power plant provided according to the present invention.
  • Figures 17/19 are diagrams of the seventeenth principle thermodynamic system of a dual-fuel combined cycle power plant provided according to the present invention.
  • Figure 18/19 is an 18th principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • 19/19 is a 19th principle thermodynamic system diagram of a dual-fuel combined cycle power plant provided according to the present invention.
  • the steam flows through the steam turbine 1 to achieve thermal power conversion.
  • the steam at the outlet of the steam turbine 1 has a very low pressure and a small flow rate (corresponding to a small kinetic energy), and the mechanical energy required by the booster pump 2 can be mechanically transmitted by the steam turbine. 1 or provided externally.
  • relevant heat exchangers heat exchange tube bundles
  • a superheater is used to heat the steam from the high-temperature heat exchanger 3; The steam is heated by the reheater.
  • the air heating furnace 7 provides the heat load of the initial stage of the high temperature heat source, and undertakes the task of heating and heating the air entering the boiler 8; in some cases, it also undertakes the heating task of the circulating steam of the bottom Rankine cycle subsystem.
  • the heat source regenerator involves the temperature grade of the gas in the air heating furnace and the boiler, and is listed separately.
  • 1Low-grade fuel refers to the fuel with the highest temperature (such as adiabatic combustion temperature or constant pressure combustion temperature) that can be formed by combustion products, such as coal gangue, coal slime, combustible garbage, etc. From the concept of heat source, low-grade fuel refers to fuel whose combustion products are difficult to form a high-temperature heat source with higher temperature.
  • High-grade fuel refers to the fuel with relatively high highest temperature (such as adiabatic combustion temperature or constant pressure combustion temperature) that can be formed by combustion products, such as high-quality coal, natural gas, methane, hydrogen, etc. From the concept of heat source, high-grade fuel refers to fuel whose combustion products can form a high-temperature heat source with higher temperature.
  • the gaseous substances of the combustion products are the core of the heat source and are an important part of the thermal system; while the solid substances in the combustion products, such as waste residue, the heat energy contained in them is utilized (the utilization process and equipment are included in the In the boiler, or after preheating air outside the boiler body), it is not required to be listed separately, and its function is not described separately.
  • the initial stage gas refers to the combustion product formed by the combustion of air and low-grade fuel in the air heating furnace 7. According to whether the air required for high-grade fuel combustion is reserved in the initial stage gas, there are the following three situations:
  • the initial gas does not contain the air required for the combustion of the high-grade fuel of the boiler 8; as shown in Figure 1/19- Figure 17/19.
  • the device 9 is divided into two routes—the first route is communicated with the air heating furnace 7 and the second route is communicated with the boiler 8 through the air heating furnace 7; the external low-grade fuel communicates with the air heating furnace 7, and the air heating furnace 7 has The initial gas channel is communicated with the boiler 8, and the external high-grade fuel channel is communicated with the boiler 8.
  • the boiler 8 also has a gas channel communicated with the outside through the heat source regenerator 9; the compressor 5 has a circulating working fluid channel through the boiler 8 and the expander. 6 is connected, and the expander 6 also has a circulating working medium channel that is communicated with the compressor 5 through the high-temperature heat exchanger 3; Another steam passage communicates with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage communicated with the condenser 4; the condenser 4 also has a cooling medium passage communicated with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the external air flows through the heat source regenerator 9 and then divides into two paths after the heat absorption and temperature rise—the first path directly enters the air heating furnace 7 to participate in the combustion, and the second path flows through the air heating furnace 7 and continues to absorb heat and increase the temperature Enter the boiler 8 to participate in the combustion; the external low-grade fuel enters the air heating furnace 7, and the low-grade fuel and air are mixed in the air heating furnace 7 and burned into a higher temperature initial gas, and the initial gas is released after the air flowing through it.
  • the external high-grade fuel enters the boiler 8, and the high-grade fuel is mixed with the initial gas and air from the air heating furnace 7 and burned into high-temperature gas, and the high-temperature gas releases heat to the circulating working fluid flowing through it and cools down, and then It flows through the heat source regenerator 9 to release heat for cooling and external discharge; the circulating working medium discharged from the compressor 5 flows through the boiler 8 to absorb heat and raise the temperature, flow through the expander 6 to depressurize and perform work, and flow through the high-temperature heat exchanger 3 to release heat and cool down.
  • the condensate in the condenser 4 flows through the booster pump 2 for boosting, and flows through the high-temperature heat exchanger 3 to absorb heat, heat up, vaporize and overheat, and then enter the steam turbine 1 to depressurize and perform work.
  • the discharged low-pressure steam enters the condenser 4 to release heat and condense; the low-grade fuel passes through the air heating furnace 7 and the high-grade fuel passes through the boiler 8 to jointly provide the driving heat load, and the cooling medium passes through the condenser 4 to take away the low-temperature heat load, air and gas.
  • the low temperature heat load is taken away through the in-out process; the work output by the steam turbine 1 and the expander 6 is provided to the compressor 5 and the outside for power, or the work output by the steam turbine 1 and the expander 6 is provided to the booster pump 2, the compressor 5 and the outside It is used as power to form a dual-fuel combined cycle power plant.
  • the heating furnace 7 also has a primary gas channel that communicates with the boiler 8, and the outside has a high-grade fuel channel that communicates with the boiler 8.
  • the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9;
  • the high-temperature regenerator 10 and the boiler 8 are communicated with the expander 6, and the expander 6 also has a circulating working medium channel that communicates with the compressor 5 through the high-temperature regenerator 10 and the warm heat exchanger 3;
  • the high-temperature heat exchanger 3 has a steam passage that communicates with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage that communicates with the condenser 4;
  • the condenser 4 also has a cooling medium passage that communicates with the outside.
  • the expander 6 is connected to the compressor 5 and transmits power.
  • the heating furnace 7 also has a primary gas channel that communicates with the boiler 8, and the outside has a high-grade fuel channel that communicates with the boiler 8.
  • the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9; After the high temperature regenerator 10 and the boiler 8 are communicated with the expander 6, the expander 6 has a circulating working fluid channel that communicates with itself through the high temperature regenerator 10, and the expander 6 also has a circulating working fluid channel through the high temperature heat exchanger 3 and the compressor.
  • the condenser 4 is connected with the high-temperature heat exchanger 3 through the booster pump 2, and then the high-temperature heat exchanger 3 has a steam passage connected with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage and the condenser 4.
  • the condenser 4 also has a cooling medium channel to communicate with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the heating furnace 7 also has a primary gas channel that communicates with the boiler 8, and the outside has a high-grade fuel channel that communicates with the boiler 8.
  • the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9;
  • the boiler 8 is communicated with the expander 6, and the expander 6 also has a circulating working fluid channel through the high-temperature regenerator 10 and the high-temperature heat exchanger 3 to communicate with the compressor 5.
  • the compressor 5 has a circulating working fluid channel that passes through the high-temperature regenerator 10.
  • the condenser 4 has a condensate pipeline connected with the high-temperature heat exchanger 3 through the booster pump 2, and then the high-temperature heat exchanger 3 has a steam passage to communicate with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage and the condenser 4.
  • the condenser 4 also has a cooling medium channel to communicate with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the heating furnace 7 also has a primary gas channel that communicates with the boiler 8, and the outside has a high-grade fuel channel that communicates with the boiler 8.
  • the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9; After the boiler 8 is communicated with the expander 6, the expander 6 has a circulating working fluid channel that communicates with itself through the high-temperature regenerator 10, and the expander 6 also has a circulating working fluid channel that communicates with the compressor 5 through the high-temperature heat exchanger 3. After the compressor 5. There is a circulating working medium channel that communicates with itself through the high-temperature regenerator 10; the condenser 4 has a condensate pipeline that communicates with the high-temperature heat exchanger 3 through the booster pump 2, and then the high-temperature heat exchanger 3 has a steam channel and the steam turbine 1.
  • the steam turbine 1 also has a low-pressure steam channel that communicates with the condenser 4; the condenser 4 also has a cooling medium channel that communicates with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the difference is: the circulating working medium discharged from the compressor 5 flows through the boiler 8 to absorb heat and heat up, and enters the expander 6 to reduce pressure After the work reaches a certain level, it flows through the high temperature regenerator 10 to release heat and cool down, and then enters the expander 6 to continue depressurization and work; the circulating working medium discharged from the expander 6 flows through the high temperature heat exchanger 3 to release heat and cool down, and enters the compressor 5. After the pressure rises to a certain level, it flows through the high temperature regenerator 10 to absorb heat and rise, and then enters the compressor 5 to continue the pressure rise and rise to form a dual-fuel combined cycle power plant.
  • the device 9 is divided into two routes—the first route is communicated with the air heating furnace 7 and the second route is communicated with the boiler 8 through the air heating furnace 7; the external low-grade fuel communicates with the air heating furnace 7, and the air heating furnace 7 has The initial gas channel is communicated with the boiler 8, and the external high-grade fuel channel is communicated with the boiler 8.
  • the boiler 8 also has a gas channel communicated with the outside through the heat source regenerator 9; the compressor 5 has a circulating working medium channel through the air heating furnace 7 and The boiler 8 is communicated with the expander 6, and the expander 6 also has a circulating working medium channel that communicates with the compressor 5 through the high-temperature heat exchanger 3; the condenser 4 has a condensate pipeline that communicates with the high-temperature heat exchanger 3 through the booster pump 2.
  • the high-temperature heat exchanger 3 has a steam passage communicating with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage communicating with the condenser 4; the condenser 4 also has a cooling medium passage communicating with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the difference is: the circulating working medium discharged from the compressor 5 flows through the air heating furnace 7 and the boiler 8 and gradually absorbs heat and warms up, It flows through the expander 6 to depressurize to perform work, flows through the high-temperature heat exchanger 3 to release heat to cool down, and then enters the compressor 5 to increase the pressure and heat up to form a dual-fuel combined cycle power plant.
  • the heating furnace 7 also has a primary gas channel that communicates with the boiler 8, and the outside has a high-grade fuel channel that communicates with the boiler 8.
  • the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9;
  • the high-temperature regenerator 10, the air heating furnace 7 and the boiler 8 are communicated with the expander 6, and the expander 6 also has a circulating working medium channel that communicates with the compressor 5 through the high-temperature regenerator 10 and the warm heat exchanger 3;
  • the condenser 4 has After the condensate pipeline is communicated with the high-temperature heat exchanger 3 through the booster pump 2, the high-temperature heat exchanger 3 has a steam passage that communicates with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage that communicates with the condenser 4; the condenser 4 also has a cooling
  • the medium passage communicates with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the heating furnace 7 also has a primary gas channel that communicates with the boiler 8, and the outside has a high-grade fuel channel that communicates with the boiler 8.
  • the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9;
  • the air heating furnace 7, the high temperature regenerator 10 and the boiler 8 are communicated with the expander 6, and the expander 6 also has a circulating working medium channel which is communicated with the compressor 5 through the high temperature regenerator 10 and the warm heat exchanger 3;
  • the condenser 4 has After the condensate pipeline is communicated with the high-temperature heat exchanger 3 through the booster pump 2, the high-temperature heat exchanger 3 has a steam passage that communicates with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage that communicates with the condenser 4; the condenser 4 also has a cooling
  • the medium passage communicates with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the heating furnace 7 also has a primary gas channel that communicates with the boiler 8, and the outside has a high-grade fuel channel that communicates with the boiler 8.
  • the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9; After the high temperature regenerator 10, the air heating furnace 7 and the boiler 8 are communicated with the expander 6, the expander 6 has a circulating working fluid channel to communicate with itself through the high temperature regenerator 10, and the expander 6 also has a circulating working fluid channel that is heated by high temperature.
  • the exchanger 3 is communicated with the compressor 5; the condenser 4 has a condensate pipeline connected with the high temperature heat exchanger 3 through the booster pump 2, and then the high temperature heat exchanger 3 has a steam passage communicated with the steam turbine 1, and the steam turbine 1 also has low-pressure steam.
  • the channel is communicated with the condenser 4; the condenser 4 also has a cooling medium channel communicated with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the heating furnace 7 also has an initial gas channel that communicates with the boiler 8, an external high-grade fuel channel that communicates with the boiler 8, and the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9;
  • the expander 6 has a circulating working fluid channel to communicate with itself through the high temperature regenerator 10, and the expander 6 also has a circulating working fluid channel that is heated by high temperature.
  • the exchanger 3 is communicated with the compressor 5; the condenser 4 has a condensate pipeline connected with the high temperature heat exchanger 3 through the booster pump 2, and then the high temperature heat exchanger 3 has a steam passage communicated with the steam turbine 1, and the steam turbine 1 also has low-pressure steam.
  • the channel is communicated with the condenser 4; the condenser 4 also has a cooling medium channel communicated with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the heating furnace 7 also has a primary gas channel that communicates with the boiler 8, and the outside has a high-grade fuel channel that communicates with the boiler 8.
  • the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9;
  • the air heating furnace 7 and the boiler 8 are communicated with the expander 6, and the expander 6 also has a circulating working medium channel connected with the compressor 5 through the high temperature regenerator 10 and the high temperature heat exchanger 3, and then the compressor 5 has a circulating working medium channel through the compressor 5.
  • the high-temperature regenerator 10 communicates with itself;
  • the condenser 4 has a condensate pipeline connected with the high-temperature heat exchanger 3 through the booster pump 2, and then the high-temperature heat exchanger 3 has a steam channel to communicate with the steam turbine 1, and the steam turbine 1 also has low-pressure steam.
  • the channel is communicated with the condenser 4;
  • the condenser 4 also has a cooling medium channel communicated with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the difference is: the circulating working medium discharged from the compressor 5 flows through the air heating furnace 7 and the boiler 8 and gradually absorbs heat and warms up, Passing through the expander 6 to depressurize the work, passing through the high-temperature regenerator 10 and the high-temperature heat exchanger 3 to gradually release heat to cool down, enter the compressor 5 to increase the pressure and heat up to a certain degree, and then flow through the high-temperature regenerator 10 to absorb heat and heat up, After that, it enters the compressor 5 to continue boosting and heating up, forming a dual-fuel combined cycle power plant.
  • the dual-fuel combined cycle powerplant shown in Figure 12/19 is implemented as follows:
  • the heating furnace 7 also has a primary gas channel that communicates with the boiler 8, and the outside has a high-grade fuel channel that communicates with the boiler 8.
  • the boiler 8 also has a gas channel that communicates with the outside through the heat source regenerator 9; After the air heating furnace 7 and the boiler 8 are communicated with the expander 6, the expander 6 has a circulating working medium channel to communicate with itself through the high temperature regenerator 10, and the expander 6 also has a circulating working medium channel through the high temperature heat exchanger 3 and the compressor. After 5 is connected, the compressor 5 has a circulating working medium channel that communicates with itself through the high-temperature regenerator 10; the condenser 4 has a condensate pipeline that communicates with the high-temperature heat exchanger 3 through the booster pump 2, and then the high-temperature heat exchanger 3 has another connection.
  • the steam passage communicates with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage communicated with the condenser 4; the condenser 4 also has a cooling medium passage communicated with the outside, and the expander 6 is connected to the compressor 5 and transmits power.
  • the difference is: the circulating working medium discharged from the compressor 5 flows through the air heating furnace 7 and the boiler 8 and gradually absorbs heat and warms up, After entering the expander 6 to depressurize the work to a certain degree, it flows through the high temperature regenerator 10 to release heat and cool down, and then enters the expander 6 to continue depressurization and work; the circulating working medium discharged from the expander 6 flows through the high temperature heat exchanger 3 to discharge Thermal cooling, entering the compressor 5 to increase the pressure and temperature to a certain level, and then flow through the high temperature regenerator 10 to absorb heat and increase the temperature, and then enter the compressor 5 to continue to increase the pressure and temperature to form a dual-fuel combined cycle power plant.
  • the dual-fuel combined cycle powerplant shown in Figure 13/19 is implemented as follows:
  • the high heat exchanger 3 has a steam passage to communicate with the steam turbine 1 and is adjusted so that the high heat exchanger 3 has a steam passage through the air heating furnace 7 and the steam turbine 1 connection.
  • the high heat exchanger 3 has a steam passage and is connected to the steam turbine 1 and is adjusted so that the high heat exchanger 3 has a steam passage and the steam turbine 1 communicates with the steam turbine 1. Further steam passages communicate with itself via the air heating furnace 7 .
  • the dual-fuel combined cycle powerplant shown in Figure 16/19 is implemented as follows:
  • the device 9 is divided into two routes—the first route is communicated with the air heating furnace 7 and the second route is communicated with the boiler 8 through the air heating furnace 7; the external low-grade fuel communicates with the air heating furnace 7, and the air heating furnace 7 has The initial gas channel is communicated with the boiler 8, and the external high-grade fuel channel is communicated with the boiler 8.
  • the boiler 8 also has a gas channel communicated with the outside through the heat source regenerator 9; There is also a working medium channel that communicates with the expander 6 through the boiler 8, and the expander 6 also has a working medium channel that communicates with the outside through the high-temperature heat exchanger 3; the condenser 4 has a condensate pipeline through the booster pump 2 and the high-temperature heat exchanger.
  • the high-temperature heat exchanger 3 has a steam passage to communicate with the steam turbine 1, and the steam turbine 1 also has a low-pressure steam passage to communicate with the condenser 4;
  • the condenser 4 also has a cooling medium passage to communicate with the outside, and the expander 6 is connected to the compressor 5 and Transmission power.
  • the external air flows through the heat source regenerator 9 and then divides into two paths after the heat absorption and temperature rise—the first path directly enters the air heating furnace 7 to participate in the combustion, and the second path flows through the air heating furnace 7 and continues to absorb heat and increase the temperature Enter the boiler 8 to participate in the combustion; the external low-grade fuel enters the air heating furnace 7, and the low-grade fuel and air are mixed in the air heating furnace 7 and burned into a higher temperature initial gas, and the initial gas is released after the air flowing through it.
  • the external high-grade fuel enters the boiler 8, and the high-grade fuel is mixed with the initial gas and air from the air heating furnace 7 and burned into high-temperature gas, and the high-temperature gas releases heat to the working fluid flowing through it and cools down, and then It flows through the heat source regenerator 9 to release heat to cool down and discharge to the outside; the external working medium flows through the compressor 5 to raise the pressure, flow through the boiler 8 to absorb heat and raise the temperature, flow through the expander 6 to depressurize and do work, and flow through the high-temperature heat exchanger 3.
  • the condensate in the condenser 4 flows through the booster pump 2 for boosting, and flows through the high-temperature heat exchanger 3 to absorb heat to heat up, vaporize and superheat, and then enter the steam turbine 1 to depressurize and perform work, and the steam turbine 1
  • the discharged low-pressure steam enters the condenser 4 to release heat and condense;
  • the low-grade fuel passes through the air heating furnace 7 and the high-grade fuel passes through the boiler 8 to jointly provide the driving heat load, the cooling medium takes away the low-temperature heat load through the condenser 4, and the air and gas pass through.
  • the low temperature heat load is taken away by the in and out process, and the low temperature heat load is taken away by the working medium through the in and out process;
  • the booster pump 2, the compressor 5 and the external power are used to form a dual-fuel combined cycle power plant.
  • the low-grade fuel completes the air temperature increase and provides it for the high-grade fuel, effectively reducing the irreversible loss of temperature difference during the combustion process of the high-grade fuel.
  • Low-grade fuel combined with high-grade fuel provides high-temperature driving heat load for dual-fuel combined cycle power plant, and low-grade fuel exerts the effect of high-grade fuel, which greatly increases the economic value of converting low-grade fuel into mechanical energy.
  • Low-grade fuel can be used or helpful to reduce the compression ratio of the top gas power cycle system, increase the flow rate of the gas cycle working medium, and is conducive to the construction of a large-load combined cycle power plant.
  • the high-temperature gas grade can be significantly improved, and the utilization value of the low-grade fuel can be improved.

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Abstract

本发明提供双燃料联合循环动力装置，属于热力学与热动技术领域。外部有空气通道经热源回热器之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料连通空气加热炉，空气加热炉还有初段燃气通道与连通锅炉，外部还有高品位燃料通道连通锅炉，锅炉还有燃气通道经热源回热器连通外部；压缩机有循环工质通道经锅炉连通膨胀机，膨胀机还有循环工质通道经高温热交换器连通压缩机；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。

Description

双燃料联合循环动力装置 技术领域：
本发明属于热力学与热动技术领域。
背景技术：
冷需求、热需求和动力需求，为人类生活与生产当中所常见；其中，将优质燃料的化学能通过燃烧转换为热能，进而通过气体-蒸汽动力装置再将热能高效地转换为机械能，是向人类提供动力或电力的重要手段之一。
燃料有不同的种类和不同的性质，其中燃料燃烧所形成燃气的温度高低直接决定着热变功效率；从燃烧形成的燃气温度(如定压燃烧温度)来看，定压燃烧温度高的高品位燃料，对应着高品位热源，可转化更多的机械能；而定压燃烧温度低的低品位燃料，难以形成高温燃烧产物，对应着低品位热源——相对前者，可转化较少的机械能。
在采用高品位燃料为气体-蒸汽动力装置提供高温热负荷时，由于受限于工作原理或材料性质或设备制造水平等原因，使得高品位燃料形成高温热源的燃烧过程中，助燃介质(如空气)温度与燃料定压燃烧温度之间差别较大，燃烧过程中存在较大温差不可逆损失，这导致燃料利用上的质量损失——不过，这为低品位燃料参与提供驱动热负荷带来了机遇。
人们需要简单、主动、安全、高效地利用燃料来获得动力，本发明给出了将低品位燃料与高品位燃料合理搭配使用，实现取长补短和优势互补，大幅度提高低品位燃料热变功效率，减少温室气体排放，并能够有效降低燃料成本的双燃料联合循环动力装置。
发明内容：
本发明主要目的是要提供双燃料联合循环动力装置，具体发明内容分项阐述如下：
1.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉和热源回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经锅炉与膨胀机连通，膨胀机还有循环工质通道经高温热交换器与压缩机连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
2.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经高温回热器和锅炉与膨胀机连通，膨胀机还有循环工质通道经高温回热器和温热交换器与压缩机连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高 温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
3.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经高温回热器和锅炉与膨胀机连通之后膨胀机再有循环工质通道经高温回热器与自身连通，膨胀机还有循环工质通道经高温热交换器与压缩机连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
4.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经锅炉与膨胀机连通，膨胀机还有循环工质通道经高温回热器和高温热交换器与压缩机连通之后压缩机再有循环工质通道经高温回热器与自身连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
5.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经锅炉与膨胀机连通之后膨胀机再有循环工质通道经高温回热器与自身连通，膨胀机还有循环工质通道经高温热交换器与压缩机连通之后压缩机再有循环工质通道经高温回热器与自身连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
6.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉和热源回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通 道经空气加热炉和锅炉与膨胀机连通，膨胀机还有循环工质通道经高温热交换器与压缩机连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
7.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经高温回热器、空气加热炉和锅炉与膨胀机连通，膨胀机还有循环工质通道经高温回热器和温热交换器与压缩机连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
8.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经空气加热炉、高温回热器和锅炉与膨胀机连通，膨胀机还有循环工质通道经高温回热器和温热交换器与压缩机连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
9.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经高温回热器、空气加热炉和锅炉与膨胀机连通之后膨胀机再有循环工质通道经高温回热器与自身连通，膨胀机还有循环工质通道经高温热交换器与压缩机连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
10.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通， 外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经空气加热炉、高温回热器和锅炉与膨胀机连通之后膨胀机再有循环工质通道经高温回热器与自身连通，膨胀机还有循环工质通道经高温热交换器与压缩机连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
11.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经空气加热炉和锅炉与膨胀机连通，膨胀机还有循环工质通道经高温回热器和高温热交换器与压缩机连通之后压缩机再有循环工质通道经高温回热器与自身连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
12.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；压缩机有循环工质通道经空气加热炉和锅炉与膨胀机连通之后膨胀机再有循环工质通道经高温回热器与自身连通，膨胀机还有循环工质通道经高温热交换器与压缩机连通之后压缩机再有循环工质通道经高温回热器与自身连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
13.双燃料联合循环动力装置，是在第1-12项所述的任一一款双燃料联合循环动力装置中，将高热交换器有蒸汽通道与汽轮机连通调整为高热交换器有蒸汽通道经空气加热炉与汽轮机连通，形成双燃料联合循环动力装置。
14.双燃料联合循环动力装置，是在第1-12项所述的任一一款双燃料联合循环动力装置中，将高热交换器有蒸汽通道与汽轮机连通调整为高热交换器有蒸汽通道与汽轮机连通之后汽轮机再有蒸汽通道经空气加热炉与自身连通，形成双燃料联合循环动力装置。
15.双燃料联合循环动力装置，是在第1-14项所述的任一一款双燃料联合循环动力装置中，增加第二升压泵和低温回热器，将冷凝器有冷凝液管路与升压泵连通调整为冷凝器有冷凝液管路经第二升压泵与低温回热器连通，汽轮机增设抽汽通道与低温回热器连通，低温回热器再有冷凝液管路与升压泵连通，形成双燃料联合循环动力装置。
16.双燃料联合循环动力装置，是在第1-14项所述的任一一款双燃料联合循环动力装 置中，增加膨胀增速汽轮机并取代汽轮机，增加扩压管并取代升压泵，形成双燃料联合循环动力装置。
17.双燃料联合循环动力装置，是在第1-16项所述的任一一款双燃料联合循环动力装置中，增加膨胀增速机并取代膨胀机，增加双能压缩机并取代压缩机，形成双燃料联合循环动力装置。
18.双燃料联合循环动力装置，是在第1-17项所述的任一一款双燃料联合循环动力装置中，将外部还有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通，调整为外部还有空气通道经热源回热器与空气加热炉连通，形成双燃料联合循环动力装置。
19.双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉和热源回热器所组成；外部有空气通道与热源回热器连通之后分成两路——第一路与空气加热炉连通和第二路经空气加热炉与锅炉连通；外部有低品位燃料与空气加热炉连通，空气加热炉还有初段燃气通道与锅炉连通，外部还有高品位燃料通道与锅炉连通，锅炉还有燃气通道经热源回热器与外部连通；外部有工作介质通道与压缩机连通，压缩机还有工作介质通道经锅炉与膨胀机连通，膨胀机还有工作介质通道经高温热交换器与外部连通；冷凝器有冷凝液管路经升压泵与高温热交换器连通之后高温热交换器再有蒸汽通道与汽轮机连通，汽轮机还有低压蒸汽通道与冷凝器连通；冷凝器还有冷却介质通道与外部连通，膨胀机连接压缩机并传输动力，形成双燃料联合循环动力装置。
附图说明：
图1/19是依据本发明所提供的双燃料联合循环动力装置第1种原则性热力系统图。
图2/19是依据本发明所提供的双燃料联合循环动力装置第2种原则性热力系统图。
图3/19是依据本发明所提供的双燃料联合循环动力装置第3种原则性热力系统图。
图4/19是依据本发明所提供的双燃料联合循环动力装置第4种原则性热力系统图。
图5/19是依据本发明所提供的双燃料联合循环动力装置第5种原则性热力系统图。
图6/19是依据本发明所提供的双燃料联合循环动力装置第6种原则性热力系统图。
图7/19是依据本发明所提供的双燃料联合循环动力装置第7种原则性热力系统图。
图8/19是依据本发明所提供的双燃料联合循环动力装置第8种原则性热力系统图。
图9/19是依据本发明所提供的双燃料联合循环动力装置第9种原则性热力系统图。
图10/19是依据本发明所提供的双燃料联合循环动力装置第10种原则性热力系统图。
图11/19是依据本发明所提供的双燃料联合循环动力装置第11种原则性热力系统图。
图12/19是依据本发明所提供的双燃料联合循环动力装置第12种原则性热力系统图。
图13/19是依据本发明所提供的双燃料联合循环动力装置第13种原则性热力系统图。
图14/19是依据本发明所提供的双燃料联合循环动力装置第14种原则性热力系统图。
图15/19是依据本发明所提供的双燃料联合循环动力装置第15种原则性热力系统图。
图16/19是依据本发明所提供的双燃料联合循环动力装置第16种原则性热力系统图。
图17/19是依据本发明所提供的双燃料联合循环动力装置第17种原则性热力系统图。
图18/19是依据本发明所提供的双燃料联合循环动力装置第18种原则性热力系统图。
图19/19是依据本发明所提供的双燃料联合循环动力装置第19种原则性热力系统图。
图中，1-汽轮机，2-升压泵，3-高温热交换器，4-冷凝器，5-压缩机，6-膨胀机，7-空气加热炉，8-锅炉，9-热源回热器，10-高温回热器，11-第二升压泵，12-低温回热器，13-膨胀增速汽轮机，14-扩压管，15-膨胀增速机，16-双能压缩机。
关于膨胀增速汽轮机、空气加热炉、热源回热器、低品位燃料、高品位燃料和初段燃气，这里给出如下简要说明：
(1)为揭示汽轮机1和膨胀增速汽轮机13在工作机理上的区别，这里作如下解释：
①图1/19中，蒸汽流经汽轮机1实现热变功，汽轮机1出口蒸汽具有很低压力和较小流速(对应较小的动能)，升压泵2需要的机械能可通过机械传输由汽轮机1或由外部提供。
②相比之下，图16/19中，膨胀增速汽轮机13出口蒸汽同样具有很低的压力，但流速相对较大(一部分压降转换为低压蒸汽的动能)以满足扩压管14降速升压的需要。
③对图1/19中蒸汽流经汽轮机1实现热变功的过程采用“降压作功”，对图16/19中蒸汽流经膨胀增速汽轮机13实现热变功的过程采用“降压作功并增速”来表示。
(2)关于空气加热炉和热源回热器的说明：
①根据需要，空气加热炉内部设置相关热交换器(换热管束)；如，图13/19中对来自高温热交换器3的蒸汽进行加热的过热器，图14/19中对来自汽轮机1的蒸汽进行加热的再热器。
②不具体指明具体换热管束(过热器或再热器)，而统一采用空气加热炉来表述。
③本发明申请中，空气加热炉7提供高温热源初始段热负荷，并承担对进入锅炉8的空气进行加热升温任务；一些情况下，还承担对底部朗肯循环子系统循环蒸汽的加热任务。
④热源回热器涉及空气加热炉和锅炉内燃气的温度品位，单独列出。
(3)关于燃料的说明：
①低品位燃料：指的是燃烧产物所能够形成的最高温度(比如绝热燃烧温度或定压燃烧温度)相对较低的燃料，比如煤矸石、煤泥、可燃垃圾等。从热源的概念来看，低品位燃料指的是燃烧产物难以形成较高温度的高温热源的燃料。
②高品位燃料：指的是燃烧产物所能够形成的最高温度(比如绝热燃烧温度或定压燃烧温度)相对较高的燃料，比如优质煤、天然气、甲烷、氢气等。从热源的概念来看，高品位燃料指的是燃烧产物能够形成较高温度的高温热源的燃料。
③对固体燃料来说，燃烧产物的气态物质是构成热源的核心，是热力系统的重要组成部分；而燃烧产物中的固态物质，如废渣，其含有的热能被利用(利用流程及设备包含在锅炉内，或在锅炉本体之外预热空气)之后被排出，无需单独列出，其作用也不单独表述。
④受限于现行技术条件或材料性能等原因，尤其对于需要通过间接手段向循环工质提供驱动高温热负荷的燃料来说，它们的品位高低应以燃烧产物所能够形成的最高温度减去间接传热温差之后的温度高低来划分；或者，以现行技术条件下能够使循环工质所能达到的温度高低来划分——使循环工质(工作介质)能够达到的温度更高者为高品位燃料，使循环工质(工作介质)能够达到的温度较低者为低品位燃料。
(4)关于初段燃气的说明：
初段燃气指的是在空气加热炉7中空气与低品位燃料燃烧形成的燃烧产物，根据是否 在初段燃气中预留高品位燃料燃烧所需要的空气来看，存在以下三种情况：
①初段燃气中，不包含锅炉8高品位燃料燃烧需要的空气；图1/19-图17/19所示。
②初段燃气中，包含部分锅炉8高品位燃料燃烧需要的空气；图1/19-图17/19所示。
③初段燃气中，包含全部或大部分(当燃料采用少量空气输送时)锅炉8高品位燃料燃烧需要的空气；图18/19所示。
具体实施方式：
首先要说明的是，在结构和流程的表述上，非必要情况下不重复进行；对显而易见的流程不作表述。下面结合附图和实例来详细描述本发明。
图1/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉和热源回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经锅炉8与膨胀机6连通，膨胀机6还有循环工质通道经高温热交换器3与压缩机5连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，外部空气流经热源回热器9吸热升温之后分成两路——第一路直接进入空气加热炉7参与燃烧，第二路流经空气加热炉7继续吸热升温之后进入锅炉8参与燃烧；外部低品位燃料进入空气加热炉7，低品位燃料和空气在空气加热炉7内混合并燃烧成温度较高的初段燃气，初段燃气放热于流经其内的空气之后进入锅炉8；外部高品位燃料进入锅炉8，高品位燃料与来自空气加热炉7的初段燃气和空气混合并燃烧成高温燃气，高温燃气放热于流经其内的循环工质并降温，之后流经热源回热器9放热降温和对外排放；压缩机5排放的循环工质流经锅炉8吸热升温，流经膨胀机6降压作功，流经高温热交换器3放热降温，之后进入压缩机5升压升温；冷凝器4的冷凝液流经升压泵2升压，流经高温热交换器3吸热升温、汽化和过热，之后进入汽轮机1降压作功，汽轮机1排放的低压蒸汽进入冷凝器4放热并冷凝；低品位燃料通过空气加热炉7和高品位燃料通过锅炉8共同提供驱动热负荷，冷却介质通过冷凝器4带走低温热负荷，空气和燃气通过进出流程带走低温热负荷；汽轮机1和膨胀机6输出的功提供给压缩机5和外部作动力，或汽轮机1和膨胀机6输出的功提供给升压泵2、压缩机5和外部作动力，形成双燃料联合循环动力装置。
图2/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经高温回热器10和锅炉8与膨胀机6连通，膨胀机6还有循环工 质通道经高温回热器10和温热交换器3与压缩机5连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经高温回热器10和锅炉8逐步吸热升温，流经膨胀机6降压作功，流经高温回热器10和高温热交换器3逐步放热降温，之后进入压缩机5升压升温，形成双燃料联合循环动力装置。
图3/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经高温回热器10和锅炉8与膨胀机6连通之后膨胀机6再有循环工质通道经高温回热器10与自身连通，膨胀机6还有循环工质通道经高温热交换器3与压缩机5连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经高温回热器10和锅炉8逐步吸热升温，进入膨胀机6降压作功至一定程度之后流经高温回热器10放热降温，再之后进入膨胀机6继续降压作功；膨胀机6排放的循环工质流经高温热交换器3放热降温，之后进入压缩机5升压升温，形成双燃料联合循环动力装置。
图4/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经锅炉8与膨胀机6连通，膨胀机6还有循环工质通道经高温回热器10和高温热交换器3与压缩机5连通之后压缩机5再有循环工质通道经高温回热器10与自身连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经锅炉8吸热升温，流经膨胀机6降压作功，流经高温回热器10和高温热交换器3逐步放热降温，进入压缩机5升压升温至一定程度之后流经高温回热器10吸 热升温，再之后进入压缩机5继续升压升温，形成双燃料联合循环动力装置。
图5/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经锅炉8与膨胀机6连通之后膨胀机6再有循环工质通道经高温回热器10与自身连通，膨胀机6还有循环工质通道经高温热交换器3与压缩机5连通之后压缩机5再有循环工质通道经高温回热器10与自身连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经锅炉8吸热升温，进入膨胀机6降压作功至一定程度之后流经高温回热器10放热降温，再之后进入膨胀机6继续降压作功；膨胀机6排放的循环工质流经高温热交换器3放热降温，进入压缩机5升压升温至一定程度之后流经高温回热器10吸热升温，再之后进入压缩机5继续升压升温，形成双燃料联合循环动力装置。
图6/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉和热源回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经空气加热炉7和锅炉8与膨胀机6连通，膨胀机6还有循环工质通道经高温热交换器3与压缩机5连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经空气加热炉7和锅炉8逐步吸热升温，流经膨胀机6降压作功，流经高温热交换器3放热降温，之后进入压缩机5升压升温，形成双燃料联合循环动力装置。
图7/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经高温回热器10、空气加热炉7和锅炉8与膨胀机6连通，膨胀 机6还有循环工质通道经高温回热器10和温热交换器3与压缩机5连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经高温回热器10、空气加热炉7和锅炉8逐步吸热升温，流经膨胀机6降压作功，流经高温回热器10和高温热交换器3逐步放热降温，之后进入压缩机5升压升温，形成双燃料联合循环动力装置。
图8/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经空气加热炉7、高温回热器10和锅炉8与膨胀机6连通，膨胀机6还有循环工质通道经高温回热器10和温热交换器3与压缩机5连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经空气加热炉7、高温回热器10和锅炉8逐步吸热升温，流经膨胀机6降压作功，流经高温回热器10和高温热交换器3逐步放热降温，之后进入压缩机5升压升温，形成双燃料联合循环动力装置。
图9/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经高温回热器10、空气加热炉7和锅炉8与膨胀机6连通之后膨胀机6再有循环工质通道经高温回热器10与自身连通，膨胀机6还有循环工质通道经高温热交换器3与压缩机5连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经高温回热器10、空气加热炉7和锅炉8逐步吸热升温，进入膨胀机6降压作功至一定程度之后流经高温回热器10放热降温，再之后进入膨胀机6继续降压作功；膨胀机6排放的循环工质流经高温热交换器3放热降温，之后进入压缩机5升压升温，形 成双燃料联合循环动力装置。
图10/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经空气加热炉7、高温回热器10和锅炉8与膨胀机6连通之后膨胀机6再有循环工质通道经高温回热器10与自身连通，膨胀机6还有循环工质通道经高温热交换器3与压缩机5连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经空气加热炉7、高温回热器10和锅炉8逐步吸热升温，进入膨胀机6降压作功至一定程度之后流经高温回热器10放热降温，再之后进入膨胀机6继续降压作功；膨胀机6排放的循环工质流经高温热交换器3放热降温，之后进入压缩机5升压升温，形成双燃料联合循环动力装置。
图11/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经空气加热炉7和锅炉8与膨胀机6连通，膨胀机6还有循环工质通道经高温回热器10和高温热交换器3与压缩机5连通之后压缩机5再有循环工质通道经高温回热器10与自身连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经空气加热炉7和锅炉8逐步吸热升温，流经膨胀机6降压作功，流经高温回热器10和高温热交换器3逐步放热降温，进入压缩机5升压升温至一定程度之后流经高温回热器10吸热升温，再之后进入压缩机5继续升压升温，形成双燃料联合循环动力装置。
图12/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外 部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；压缩机5有循环工质通道经空气加热炉7和锅炉8与膨胀机6连通之后膨胀机6再有循环工质通道经高温回热器10与自身连通，膨胀机6还有循环工质通道经高温热交换器3与压缩机5连通之后压缩机5再有循环工质通道经高温回热器10与自身连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：压缩机5排放的循环工质流经空气加热炉7和锅炉8逐步吸热升温，进入膨胀机6降压作功至一定程度之后流经高温回热器10放热降温，再之后进入膨胀机6继续降压作功；膨胀机6排放的循环工质流经高温热交换器3放热降温，进入压缩机5升压升温至一定程度之后流经高温回热器10吸热升温，再之后进入压缩机5继续升压升温，形成双燃料联合循环动力装置。
图13/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，在图1/19所示的双燃料联合循环动力装置中，将高热交换器3有蒸汽通道与汽轮机1连通调整为高热交换器3有蒸汽通道经空气加热炉7与汽轮机1连通。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：高温热交换器3排放的蒸汽流经空气加热炉7吸热升温，之后进入汽轮机1降压作功，形成双燃料联合循环动力装置。
图14/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，在图1/19所示的双燃料联合循环动力装置中，将高热交换器3有蒸汽通道与汽轮机1连通调整为高热交换器3有蒸汽通道与汽轮机1连通之后汽轮机1再有蒸汽通道经空气加热炉7与自身连通。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：高温热交换器3排放的蒸汽进入汽轮机1降压作功至一定程度之后流经空气加热炉7吸热升温，再之后进入汽轮机1继续降压作功，形成双燃料联合循环动力装置。
图15/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，在图1/19所示的双燃料联合循环动力装置中，增加第二升压泵和低温回热器，将冷凝器4有冷凝液管路与升压泵2连通调整为冷凝器4有冷凝液管路经第二升压泵11与低温回热器12连通，汽轮机1增设抽汽通道与低温回热器12连通，低温回热器12再有冷凝液管路与升压泵2连通。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：冷凝器4排放的冷凝液流经第二升压泵11升压之后进入低温回热器12，与来自汽轮机1的抽汽混合、吸热和升温，抽汽放热成冷凝液；低温回热器12的冷凝液流经升压泵2升压，流经高温热交换器3吸热升温、汽化和过热，之后进入汽轮机1降压作功；进入汽轮机1的蒸汽降压作功至一定程度之后分成两路——第一路提供给低温回热器12，第二路继续降压作功之后进入冷凝器4放热并冷凝，形成双燃料联合循环动力装置。
图16/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，在图1/19所示的双燃料联合循环动力装置中，增加膨胀增速汽轮机13并 取代汽轮机1，增加扩压管14并取代升压泵2。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：冷凝器4的冷凝液流经扩压管14降速升压，流经高温热交换器3吸热升温、汽化和过热，流经膨胀增速汽轮机13降压作功并增速，之后进入冷凝器4放热并冷凝；膨胀机6和膨胀增速汽轮机13输出的功提供给压缩机5和外部作动力，形成双燃料联合循环动力装置。
图17/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，在图1/19所示的双燃料联合循环动力装置中，增加膨胀增速机15并取代膨胀机6，增加双能压缩机16并取代压缩机5。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比较，不同之处在于：双能压缩机16排放的循环工质流经锅炉8吸热升温，流经膨胀增速机15降压作功并增速，流经高温热交换器3放热降温，之后进入双能压缩机16升压升温并降速，汽轮机1和膨胀增速机15输出的功提供给双能压缩机16和外部作动力，或汽轮机1和膨胀增速机15输出的功提供给升压泵2、双能压缩机16和外部作动力，形成双燃料联合循环动力装置。
图18/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，在图1/19所示的双燃料联合循环动力装置中，将外部还有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通，调整为外部还有空气通道经热源回热器9与空气加热炉7连通。
(2)流程上，与图1/19所示的双燃料联合循环动力装置相比，不同之处在于：外部空气流经热源回热器9吸热升温之后进入空气加热炉7，外部低品位燃料进入空气加热炉7；低品位燃料和空气在空气加热炉7内混合并燃烧成温度较高且富含空气的初段燃气，之后提供给锅炉8，形成双燃料联合循环动力装置。
图19/19所示的双燃料联合循环动力装置是这样实现的：
(1)结构上，它主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉和热源回热器所组成；外部有空气通道与热源回热器9连通之后分成两路——第一路与空气加热炉7连通和第二路经空气加热炉7与锅炉8连通；外部有低品位燃料与空气加热炉7连通，空气加热炉7还有初段燃气通道与锅炉8连通，外部还有高品位燃料通道与锅炉8连通，锅炉8还有燃气通道经热源回热器9与外部连通；外部有工作介质通道与压缩机5连通，压缩机5还有工作介质通道经锅炉8与膨胀机6连通，膨胀机6还有工作介质通道经高温热交换器3与外部连通；冷凝器4有冷凝液管路经升压泵2与高温热交换器3连通之后高温热交换器3再有蒸汽通道与汽轮机1连通，汽轮机1还有低压蒸汽通道与冷凝器4连通；冷凝器4还有冷却介质通道与外部连通，膨胀机6连接压缩机5并传输动力。
(2)流程上，外部空气流经热源回热器9吸热升温之后分成两路——第一路直接进入空气加热炉7参与燃烧，第二路流经空气加热炉7继续吸热升温之后进入锅炉8参与燃烧；外部低品位燃料进入空气加热炉7，低品位燃料和空气在空气加热炉7内混合并燃烧成温度较高的初段燃气，初段燃气放热于流经其内的空气之后进入锅炉8；外部高品位燃料进入锅炉8，高品位燃料与来自空气加热炉7的初段燃气和空气混合并燃烧成高温燃气，高温燃气放热于流经其内的工作工质并降温，之后流经热源回热器9放热降温和对外排放；外部工 作介质流经压缩机5升压升温，流经锅炉8吸热升温，流经膨胀机6降压作功，流经高温热交换器3放热降温，之后对外排放；冷凝器4的冷凝液流经升压泵2升压，流经高温热交换器3吸热升温、汽化和过热，之后进入汽轮机1降压作功，汽轮机1排放的低压蒸汽进入冷凝器4放热并冷凝；低品位燃料通过空气加热炉7和高品位燃料通过锅炉8共同提供驱动热负荷，冷却介质通过冷凝器4带走低温热负荷，空气和燃气通过进出流程带走低温热负荷，工作介质通过进出流程带走低温热负荷；汽轮机1和膨胀机6输出的功提供给压缩机5和外部作动力，或汽轮机1和膨胀机6输出的功提供给升压泵2、压缩机5和外部作动力，形成双燃料联合循环动力装置。
本发明技术可以实现的效果——本发明所提出的双燃料联合循环动力装置，具有如下效果和优势：
(1)低品位燃料与高品位燃料合理搭配，合建高温热源，有效降低燃料成本。
(2)高温热负荷分级利用，显著降低温差不可逆损失，有效提升热变功效率。
(3)低品位燃料完成空气温度提升并为高品位燃料提供，有效降低高品位燃料燃烧过程中的温差不可逆损失。
(4)低品位燃料结合高品位燃料为双燃料联合循环动力装置提供高温驱动热负荷，低品位燃料发挥出高品位燃料效果，大幅度提升低品位燃料转换为机械能的经济价值。
(5)低品位燃料可用于或有助于降低顶部气体动力循环系统压缩比，提升气体循环工质流量，有利于构建大负荷联合循环动力装置。
(6)直接减少高品位燃料投入，其效果等同于提升高品位燃料转换为机械能的利用率。
(7)单独利用低品位燃料时，能够显著提升高温燃气品位，提升低品位燃料利用价值。
(8)提升燃料选择范围和使用价值，降低装置能耗成本。
(9)提升燃料利用价值，减少温室气体排放，减少污染物排放，节能减排效益突出。
(10)结构简单，流程合理，方案丰富，有利于降低装置的制造成本和扩展技术应用范围。

Claims (19)

  1. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉和热源回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经锅炉(8)与膨胀机(6)连通，膨胀机(6)还有循环工质通道经高温热交换器(3)与压缩机(5)连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  2. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经高温回热器(10)和锅炉(8)与膨胀机(6)连通，膨胀机(6)还有循环工质通道经高温回热器(10)和温热交换器(3)与压缩机(5)连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  3. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经高温回热器(10)和锅炉(8)与膨胀机(6)连通之后膨胀机(6)再有循环工质通道经高温回热器(10)与自身连通，膨胀机(6)还有循环工质通道经高温热交换器(3)与压缩机(5)连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  4. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7) 还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经锅炉(8)与膨胀机(6)连通，膨胀机(6)还有循环工质通道经高温回热器(10)和高温热交换器(3)与压缩机(5)连通之后压缩机(5)再有循环工质通道经高温回热器(10)与自身连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  5. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经锅炉(8)与膨胀机(6)连通之后膨胀机(6)再有循环工质通道经高温回热器(10)与自身连通，膨胀机(6)还有循环工质通道经高温热交换器(3)与压缩机(5)连通之后压缩机(5)再有循环工质通道经高温回热器(10)与自身连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  6. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉和热源回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经空气加热炉(7)和锅炉(8)与膨胀机(6)连通，膨胀机(6)还有循环工质通道经高温热交换器(3)与压缩机(5)连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  7. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经高温回热器(10)、空气加热炉(7)和锅炉(8)与膨胀机(6)连通，膨胀机(6)还有循环工质通道 经高温回热器(10)和温热交换器(3)与压缩机(5)连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  8. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经空气加热炉(7)、高温回热器(10)和锅炉(8)与膨胀机(6)连通，膨胀机(6)还有循环工质通道经高温回热器(10)和温热交换器(3)与压缩机(5)连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  9. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经高温回热器(10)、空气加热炉(7)和锅炉(8)与膨胀机(6)连通之后膨胀机(6)再有循环工质通道经高温回热器(10)与自身连通，膨胀机(6)还有循环工质通道经高温热交换器(3)与压缩机(5)连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  10. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经空气加热炉(7)、高温回热器(10)和锅炉(8)与膨胀机(6)连通之后膨胀机(6)再有循环工质通道经高温回热器(10)与自身连通，膨胀机(6)还有循环工质通道经高温热交换器(3)与压缩机(5)连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机 (5)并传输动力，形成双燃料联合循环动力装置。
  11. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经空气加热炉(7)和锅炉(8)与膨胀机(6)连通，膨胀机(6)还有循环工质通道经高温回热器(10)和高温热交换器(3)与压缩机(5)连通之后压缩机(5)再有循环工质通道经高温回热器(10)与自身连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  12. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉、热源回热器和高温回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；压缩机(5)有循环工质通道经空气加热炉(7)和锅炉(8)与膨胀机(6)连通之后膨胀机(6)再有循环工质通道经高温回热器(10)与自身连通，膨胀机(6)还有循环工质通道经高温热交换器(3)与压缩机(5)连通之后压缩机(5)再有循环工质通道经高温回热器(10)与自身连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
  13. 双燃料联合循环动力装置，是在权利要求1-12所述的任一一款双燃料联合循环动力装置中，将高热交换器(3)有蒸汽通道与汽轮机(1)连通调整为高热交换器(3)有蒸汽通道经空气加热炉(7)与汽轮机(1)连通，形成双燃料联合循环动力装置。
  14. 双燃料联合循环动力装置，是在权利要求1-12所述的任一一款双燃料联合循环动力装置中，将高热交换器(3)有蒸汽通道与汽轮机(1)连通调整为高热交换器(3)有蒸汽通道与汽轮机(1)连通之后汽轮机(1)再有蒸汽通道经空气加热炉(7)与自身连通，形成双燃料联合循环动力装置。
  15. 双燃料联合循环动力装置，是在权利要求1-14所述的任一一款双燃料联合循环动力装置中，增加第二升压泵和低温回热器，将冷凝器(4)有冷凝液管路与升压泵(2)连通调整为冷凝器(4)有冷凝液管路经第二升压泵(11)与低温回热器(12)连通，汽轮机(1)增设抽汽通道与低温回热器(12)连通，低温回热器(12)再有冷凝液管路与升压泵(2)连通，形成双燃料联合循环动力装置。
  16. 双燃料联合循环动力装置，是在权利要求1-14所述的任一一款双燃料联合循环动力装置中，增加膨胀增速汽轮机(13)并取代汽轮机(1)，增加扩压管(14)并取代升压泵(2)，形成双燃料联合循环动力装置。
  17. 双燃料联合循环动力装置，是在权利要求1-16所述的任一一款双燃料联合循环动力装置中，增加膨胀增速机(15)并取代膨胀机(6)，增加双能压缩机(16)并取代压缩机(5)，形成双燃料联合循环动力装置。
  18. 双燃料联合循环动力装置，是在权利要求1-17所述的任一一款双燃料联合循环动力装置中，将外部还有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通，调整为外部还有空气通道经热源回热器(9)与空气加热炉(7)连通，形成双燃料联合循环动力装置。
  19. 双燃料联合循环动力装置，主要由汽轮机、升压泵、高温热交换器、冷凝器、压缩机、膨胀机、空气加热炉、锅炉和热源回热器所组成；外部有空气通道与热源回热器(9)连通之后分成两路——第一路与空气加热炉(7)连通和第二路经空气加热炉(7)与锅炉(8)连通；外部有低品位燃料与空气加热炉(7)连通，空气加热炉(7)还有初段燃气通道与锅炉(8)连通，外部还有高品位燃料通道与锅炉(8)连通，锅炉(8)还有燃气通道经热源回热器(9)与外部连通；外部有工作介质通道与压缩机(5)连通，压缩机(5)还有工作介质通道经锅炉(8)与膨胀机(6)连通，膨胀机(6)还有工作介质通道经高温热交换器(3)与外部连通；冷凝器(4)有冷凝液管路经升压泵(2)与高温热交换器(3)连通之后高温热交换器(3)再有蒸汽通道与汽轮机(1)连通，汽轮机(1)还有低压蒸汽通道与冷凝器(4)连通；冷凝器(4)还有冷却介质通道与外部连通，膨胀机(6)连接压缩机(5)并传输动力，形成双燃料联合循环动力装置。
PCT/CN2022/000005 2021-01-19 2022-01-17 双燃料联合循环动力装置 WO2022156521A1 (zh)

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